i worry about the environment and all kinds of things, but the reality -- reliability of the u.s. debt, not at all. i am worried about the social and political stability of the world. a large part of europe that is depressioneriencing great levels of unemployment. and how long can we sustain u stable democratic system when 60 percent of the young people are out of work? that is the concern in europe right now. host: the twitter question touches on this. also, are there any models in europe that are succeeding? guest: if you look at sweden has handled this very well. the excess of welfare state is the problem. the biggest welfare state in the world and has driven through the crisis beautifully. my favorite, the little economy that could, iceland. they were supposed to turn into a smoking whole, but they broke their rules. they did not bail out the bankers. they were willing to let the currency to value. they were willing to let there be controls. it has a lower and a plumber rate than we do right now. -- unemployment rate than we do right now. britain is interesting. when cameron c